OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..15
FORMULA
a(n) = 6^A145106(n)+5. - Jason Yuen, Sep 01 2024
MATHEMATICA
Select[Table[6^n+5, {n, 0, 800}], PrimeQ] (* Vincenzo Librandi Jul 19 2012 *)
PROG
(Magma) [ a: n in [0..250] | IsPrime(a) where a is 6^n+5]; // Vincenzo Librandi, Jan 28 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Mar 05 2005
EXTENSIONS
a(10) corrected by Vincenzo Librandi, Jul 19 2012
STATUS
approved